19fdd6c3cSBryan O'Donoghue // SPDX-License-Identifier: BSD-2-Clause 29fdd6c3cSBryan O'Donoghue /* 39fdd6c3cSBryan O'Donoghue * Copyright (c) 2018, Linaro Limited 49fdd6c3cSBryan O'Donoghue */ 59fdd6c3cSBryan O'Donoghue #include <ctype.h> 69fdd6c3cSBryan O'Donoghue isalpha(int c)7*b6d69a43SJerome Forissierint isalpha(int c) 89fdd6c3cSBryan O'Donoghue { 99fdd6c3cSBryan O'Donoghue if (c >= 'A' && c <= 'Z') 109fdd6c3cSBryan O'Donoghue return 1; 119fdd6c3cSBryan O'Donoghue if (c >= 'a' && c <= 'z') 129fdd6c3cSBryan O'Donoghue return 1; 139fdd6c3cSBryan O'Donoghue return 0; 149fdd6c3cSBryan O'Donoghue } 15